Elementary treatise on physics, experimental and applied, for the use of colleges and schools; (1904)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, tr, Reinhold, Arnold William, 1843- ed · New York, W. Wood & Co. · leaf 738
d Swanseaabout 1° 45, and at Liverpool 2° o, at Edinburgh 3° o, and at Glasgow andDublin about 3° 50 greater than at London. The following are the observations of the magnetic elements at Kewextending over thirty-seven years :— Year Declination 1865 20° 59 1875 19° 41 1 1880 18° 59 i 1885 18° 26 i… … -730] Declination Compass ^ig In certain parts of the earth the magnetic coincides with the geographicalmeridian. These points are connected by an irregularly curved imaginaryline, called a line of no variation or agonic line. Such a line cuts the eastof South America, and, passing east of the West…
Physics
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